Move read offer to RP (#326)

src/Common/OfferUtility.ts

@@ -0,0 +1,33 @@
+import { Offer, SDKOfferDefinition } from "../Contracts/DataModels";
+import { OfferResponse } from "@azure/cosmos";
+
+export const parseSDKOfferResponse = (offerResponse: OfferResponse): Offer => {
+  const offerDefinition: SDKOfferDefinition = offerResponse?.resource;
+  const offerContent = offerDefinition.content;
+  if (!offerContent) {
+    return undefined;
+  }
+
+  const minimumThroughput = offerContent.collectionThroughputInfo?.minimumRUForCollection;
+  const autopilotSettings = offerContent.offerAutopilotSettings;
+
+  if (autopilotSettings) {
+    return {
+      id: offerDefinition.id,
+      autoscaleMaxThroughput: autopilotSettings.maxThroughput,
+      manualThroughput: undefined,
+      minimumThroughput,
+      offerDefinition,
+      headers: offerResponse.headers
+    };
+  }
+
+  return {
+    id: offerDefinition.id,
+    autoscaleMaxThroughput: undefined,
+    manualThroughput: offerContent.offerThroughput,
+    minimumThroughput,
+    offerDefinition,
+    headers: offerResponse.headers
+  };
+};